KR910001903U - Rear projection screen - Google Patents
Rear projection screenInfo
- Publication number
- KR910001903U KR910001903U KR2019890009507U KR890009507U KR910001903U KR 910001903 U KR910001903 U KR 910001903U KR 2019890009507 U KR2019890009507 U KR 2019890009507U KR 890009507 U KR890009507 U KR 890009507U KR 910001903 U KR910001903 U KR 910001903U
- Authority
- KR
- South Korea
- Prior art keywords
- projection screen
- rear projection
- screen
- projection
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890009507U KR950004802Y1 (en) | 1989-06-30 | 1989-06-30 | Rear projection screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890009507U KR950004802Y1 (en) | 1989-06-30 | 1989-06-30 | Rear projection screen |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910001903U true KR910001903U (en) | 1991-01-25 |
KR950004802Y1 KR950004802Y1 (en) | 1995-06-15 |
Family
ID=19287815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890009507U KR950004802Y1 (en) | 1989-06-30 | 1989-06-30 | Rear projection screen |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950004802Y1 (en) |
-
1989
- 1989-06-30 KR KR2019890009507U patent/KR950004802Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950004802Y1 (en) | 1995-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20040510 Year of fee payment: 10 |
|
EXPY | Expiration of term |